You haven’t really talked about your unpleasant experiences
Be willing to have candid conversations about your insecurities, past traumas, your flaws and the uncomfortable things that will inevitably be uncovered.
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It is scary to show vulnerability however, no one wants to be sidelined by major issues when their heart is already invested in a relationship.
Note, all of these things won’t reveal themselves in the first stages of getting to know a person but it should be something both parties are committed to talking about as time passes.
If you’re developing a relationship with a person and can’t seem to get past the façade, it may be time to re-evaluate that partnership.